package cn.edu.guet.springmvcdemo.service;/*
 *   @Studio:CHJY · 源梦科技
 *   @Author:lzl
 *   @Ide:IntelliJ IDEA
 *   @Creation time:2021/7/4 16:54
 */

import cn.edu.guet.springmvcdemo.model.User;

import java.util.List;

public interface UserService {
    List<User> viewAllUser();
    void deleteUser(String userId);
}
